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Hidden Features of JavaScript? [closed]
...vert it to a real array if you want: "var argArray = Array.prototype.slice.call(arguments);" )
– Jacob Mattison
Jan 26 '09 at 21:37
51
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How would you do a “not in” query with LINQ?
...omers
where !(from o in dc.Orders
select o.CustomerID)
.Contains(c.CustomerID)
select c;
foreach (var c in query) Console.WriteLine( c );
from The NOT IN clause in LINQ to SQL by Marco Russo
...
Rake just one migration
...and on what Ryan says, if the table has been dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:redo VERSION=my_version may fail because it cannot d...
C# Events and Thread Safety
...gs, just put '= delegate {}' on the end of your event declaration and then call your events directly as if they are methods; never assign null to them. (The other stuff I brought in about ensuring a handler is not called after delisting, that was all irrelevant, and is impossible to ensure, even for...
How to copy Java Collections list
...
Calling
List<String> b = new ArrayList<String>(a);
creates a shallow copy of a within b. All elements will exist within b in the exact same order that they were within a (assuming it had an order).
Similarly, ...
shortcut for creating a Map from a List in groovy?
...
Check out "inject". Real functional programming wonks call it "fold".
columns.inject([:]) { memo, entry ->
memo[entry.name] = entry.val
return memo
}
And, while you're at it, you probably want to define methods as Categories instead of right on the metaClass. That...
What is the difference between sigaction and signal?
...and a signal handler is executed other than as the result of:
The process calling abort(), raise(), kill(), pthread_kill(), or sigqueue() to generate a signal that is not blocked
A pending signal being unblocked and being delivered before the call that unblocked it returns
the behavior is undefine...
NumPy: function for simultaneous max() and min()
...the same for the min value. If I want to find both max and min, I have to call both functions, which requires passing over the (very big) array twice, which seems slow.
...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
GridCtrl 控件FAQ目录GridCtrlEx控件FAQ.. 11. 一个固定用法... 12. 可以控制单元格是否可以编辑... 33. 在选定一个单元格时，选择整行... 34. 说明...
目录
1. 一个固定用法... 1
2. 可以控制单元格是否可以编辑... 3
3. 在选定一个单元格...
Disabling the fullscreen editing view for soft keyboard input in landscape?
On Android devices that use soft keyboards, I want to prevent the fullscreen keyboard editing view (shown below) from appearing when in landscape mode (i.e. I want to see only the soft keyboard itself and my view behind it).
...